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1966-1980 Corvette Steel Valve Cover Bolt Retainers Zinc Plated Small Block Set of 8

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Item ID: 641-523
GM Part #: 3877670
Availability: Out of Stock
Fits Years:
  • 1966-1967
  • 1968-1980
$16.99
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  • Description

1966-1980 Steel Valve Cover Bolt Retainers Zinc Plated Small Block Set of 8 - OEM Number(s) (3877670)

Bolts Go Through Retainers To Secure Valve Covers On 1966-1980 Small Block Engines.

Retainers were used at the Flint Engine Plant to keep the steel valve covers from becoming deformed when being tightened. 

Also known under these part numbers: (For reference only)

  • 1743K
  • 22-24b
  • 3386099
  • 343110
  • 3877670
  • EN28E
  • MFB88
Prop 65